The 38-pc. Northern Industrial wire brush set includes stainless steel, brass and nylon brushes for polishing different materials. Ideal for machining and auto repair. Additional Product Specs * Includes 12 sizes (5/16in. to 3/4in.) each of stainless steel, brass and nylon brushes * 1/4in. hex quick change shank * Includes power extension, soft-grip handle and case
